$sound diffraction$

$sound diffraction$

SOUND DIFFRACTION TRIAL

As a result, the area behind it is much quieter. 4Silence’s diffractors make sound waves resonate in a grooved element, which ‘push’ other sound waves upwards. Therefore, when you create resonance beneath sound waves, the noise deflects upwards. Sound moves like water: it always seeks the path of the least resistance.

$sound diffraction$

How does this work? Astonishingly simply, and cleverly. Bending sound waves upwardsĪs a spin-off of the University of Twente, the Dutch innovators have taken a scientific principle called ‘diffraction’ and used it to develop noise reducing products that are cheaper, (socially) safer, more durable and more esthetic than current options. They have therefore developed a completely new method of traffic noise reduction. Other direct consequences include cardiovascular disease, slowed cognitive development in children, and tinnitus.ĤSilence, the company behind a new innovation in noise reduction, believes that no one should suffer from the population’s growing need for mobility, and negative effects such as noise disturbance. According to research by the World Health Organization, it leads to hazardous levels of stress and lack of sleep.

$sound diffraction$

With a perennially growing population and a matched growth in demand for mobility, traffic noise has become Europe’s second-largest environmental problem. A noise solution as simple as it is elegant. Dikes, windmills, dredging and now: noise reduction via diffraction. The Dutch know a thing or two about innovation.

SOUND DIFFRACTION TRIAL

UK WHIS®wall trial at Transport for London Here, Bart Willems discusses the Dutch noise reduction solution using diffraction to decrease the impact on the environment

$sound diffraction$

Sound diffraction